Home / 191,610,422.10-287,411,496.95-53,432,348.56

Finding the Fourth Proportional to 191,610,422.10, 287,411,496.95 and 53,432,348.56

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Solution

The fourth proportional to 191,610,422.10, 287,411,496.95 and 53,432,348.56 is: 80,147,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,610,422.10 : 287,411,496.95 = 53,432,348.56 : x
  2. Step 2: Convert to fraction form
    191,610,422.10/287,411,496.95 = 53,432,348.56/x
  3. Step 3: Cross multiply
    191,610,422.10x = 287,411,496.95 × 53,432,348.56
  4. Step 4: Simplify right side
    191,610,422.10x = 15,357,071,284,598,828
  5. Step 5: Solve for x
    x = 15,357,071,284,598,828/191,610,422.10
  6. Step 6: Final answer
    x = 80,147,369.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.